What procedures are followed during the post-experimental stage

Analyzing results and drawing conclusions

Explanation:

You must be referring to steps of the scientific method.

The scientific method can be defined as the manner or set of ground rules employed in a scientific investigation in order to obtain as reliable results as possible. Generally, the scientific method includes some steps such as observation, hypothesis formulation, experimentation, interpretation of results and, finally, conclusion. Accordingly, we can state that when the experiment is over, the post-experimental phases are the interpretation of results and the conclusion.

Thus, we can conclude that the procedures that are followed during the post-experimental phase are: Analyzing results and drawing conclusion

the answer is b: 1.4 km/hr

americans began to notice growing differences between the northern and southern sections of the country. there were more people living in cities in the north, which made it more urban. more people lived on farms in the south, which made it more rural. while many people were farmers in the northern states, there were now other ways to make a living, such as working in mechanical cotton gins factories manufacturing cloth, tools and other goods. people in the north supported high tariffs on goods imported from europe because the extra cost encouraged people to “buy american” instead. in the southern states, planters did not like tariffs because they sold most of their production to europe and bought their tools from there as well. southerners believed the protective tariff was something that only northern factory owners keep their profits high. so the southern politicians came up with an idea. they would opt out. they would simply ignore the protective tariff. it was ‘null and void’ in south carolina. the state would not collect the taxes on goods imported into south carolina, no matter what the president said they had to do. this decision led to the nullification crisis.